Home / 21,993,784.20-32,962,682.70-19,586,334.60

Finding the Fourth Proportional to 21,993,784.20, 32,962,682.70 and 19,586,334.60

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Solution

The fourth proportional to 21,993,784.20, 32,962,682.70 and 19,586,334.60 is: 29,354,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993,784.20 : 32,962,682.70 = 19,586,334.60 : x
  2. Step 2: Convert to fraction form
    21,993,784.20/32,962,682.70 = 19,586,334.60/x
  3. Step 3: Cross multiply
    21,993,784.20x = 32,962,682.70 × 19,586,334.60
  4. Step 4: Simplify right side
    21,993,784.20x = 645,618,132,675,831.50
  5. Step 5: Solve for x
    x = 645,618,132,675,831.50/21,993,784.20
  6. Step 6: Final answer
    x = 29,354,572.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.